Lacon Stp, City Of
711 South Water Street, Lacon, IL 61540 · Marshall County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 1.15 MGD
- NPDES permit
- IL0029378
- Effective
- Permit expires
- June 2029
- Population served
- 2,154
- CWNS 2022
Lacon Stp, City Of is a publicly owned wastewater treatment works in Lacon, Marshall County, Illinois, serving about 2,154 residents. It discharges under NPDES permit IL0029378 (effective), which expires in June 2029, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Lacon Stp, City Of.
Available with a free Klarifi account
See the full treatment train at Lacon Stp, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Lacon Stp, City Of, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Lacon Stp, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Sparland · 1 mi away
0.4 MGD
Henry · 9 mi away
0.31 MGD
Washburn · 9 mi away
0.09 MGD
Chillicothe · 9 mi away
0.36 MGD
Metamora · 15 mi away
0.01 MGD
Mcnabb · 15 mi away
0.03 MGD
Metamora · 15 mi away
0.35 MGD
Bradford · 17 mi away
0.14 MGD
Lacon Stp, City Of: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated October 10, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms